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HOME > Protocols > Reference Material > Periodic Table > Gallium
Gallium

Atomic Number: 31

Name: Gallium

Atomic symbol: Ga

Atomic Weight: 69.72

Electron affinity: -30 kJ/mol

Electron configuration: 1s22s22p63s23p63d104s24p1

Ionization energies: 579 kJ/mol; 1,979 kJ/mol; 2,963 kJ/mol; 6,200 kJ/mol

Pauling electronegativity: 1.6

Melting Point: 30oC

Boiling Point: 2403oC

Density: 5.90 g/cm3

Standard potential (volts), M+ + e- ---> M: -0.56

Covalent radius: 1.25 angstroms

Ionic radius: 0.76 angstroms (+1); 0.62 angstroms (+3)

Common oxidation states in compounds: +3

Previous: Atomic Number 30 - Zinc


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